DIN 981-2009 Rolling bearings - Locknuts《润滑轴承 防松螺母》.pdf
《DIN 981-2009 Rolling bearings - Locknuts《润滑轴承 防松螺母》.pdf》由会员分享,可在线阅读,更多相关《DIN 981-2009 Rolling bearings - Locknuts《润滑轴承 防松螺母》.pdf(12页珍藏版)》请在麦多课文档分享上搜索。
1、June 2009 Translation by DIN-Sprachendienst.English price group 8No part of this translation may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).ICS 21
2、.060.20!$ig“1709468www.din.deDDIN 981Rolling bearings LocknutsEnglish translation of DIN 981:2009-06Wlzlager NutmutternEnglische bersetzung von DIN 981:2009-06Roulements crous encochesTraduction anglaise de DIN 981:2009-06SupersedesDIN 981:1993-02www.beuth.deDocument comprises pagesIn case of doubt,
3、 the German-language original shall be considered authoritative.12.10 11DIN 981:2009-06 Contents Page Foreword. 3 1 Scope . 4 2 Normative references . 4 3 Symbols . 4 4 Types, designations, dimensions . 4 4.1 General. 4 4.2 Types 5 4.3 Designations . 6 4.4 Dimensions and symbols 6 5 Material and met
4、hod of manufacture 9 6 Design 9 7 Application 10 Annex A (informative) Explanatory notes 11 Bibliography . 12 Figures Figure 1 Dimensions of KM . ., KML . . and HM . . . . T locknuts (notation) 5 Figure 2 Dimensions of HM . . . . locknuts (notation) . 6 Figure 3 Locknut with lockwasher 10 Figure 4 L
5、ocknut with locking clip 10 Tables Table 1 Dimensions and symbols for locknuts KM . . , KML . . and HM . . . . T. 7 Table 2 Dimensions and symbols for locknuts HM . . . 8 2 DIN 981:2009-06 Foreword This standard has been prepared by Working Committee NA 118-01-02 AA Kugellager und Spannlager einschl
6、ielich Teile, allgemeines Wlzlagerzubehr und Gehuse of the Normenausschuss Wlz- und Gleitlager (Rolling Bearings and Plain Bearings Standards Committee). Amendments This standard differs from DIN 981:1993-02 as follows: a) the standard has been completely revised; b) the tolerances for runout and pe
7、rpendicularity (S1 and S2) have been brought into line with ISO 2982-2; c) the symbols have been largely brought into line with ISO 2982-2; d) in Table 1, dimension h has been replaced by A for nuts up to M 100 2; e) the HM . . . . T design has been moved from Table 2 to Table 1 as in ISO 2982-2; f)
8、 further information on the design has been added; g) information on masses has been deleted from Tables 1 and 2; h) the normative references have been updated. Previous editions DIN 981: 1973-01, 1977-05, 1983-01, 1993-02 3 DIN 981:2009-06 1 Scope This standard specifies dimensions and symbols for
9、locknuts. Locknuts according to this standard, in combination with DIN 5406 lockwashers and locking clips, are primarily used for adapter sleeves conforming to DIN 5415. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated refere
10、nces, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. DIN 103-3, ISO metric trapezoidal screw thread Allowances and tolerances for trapezoidal screw threads of general purpose DIN 5406, Rolling bearings Lockwas
11、hers Safety plate, lockclip DIN 5415, Rolling bearings Adapter sleeves DIN ISO 965-1, ISO general purpose metric screw threads Tolerances Part 1: Principles and basic data DIN ISO 13715, Technical drawings Edges of undefined shape Vocabulary and indication on drawings 3 Symbols For the purposes of t
12、his document, the following symbols apply. A Slot bottom spacing B Locknut width b1d2dGh1S2SWidth of slot in locknut External diameter of locknut clamp face External diameter of locknut Designation of screw thread Depth of slot in locknut Runout tolerance of locknut clamp face Perpendicularity toler
13、ance of locknut clamp face 4 Types, designation, dimensions 4.1 General The designs shown are for illustrative purposes only; however, the dimensions of locknuts shall be as specified. The nut thread shall be countersunk on both sides at 90 to 120 to the minor diameter. 4 DIN 981:2009-06 4.2 Types A
14、 distinction is made between the nuts as follows: a) Locknuts for use with lockwashers (see Figures 1 and 3), with at least 4 slots on the casing: KM . . Standard design in the case of nuts with metric thread. KML . . Identical with KM, except that diameters and are reduced. 1d2dHM . . . . T Reinfor
15、ced design compared with KM, and with a trapezoidal thread. b) Locknuts for use with locking clips (see Figures 2 and 4), with at least 8 slots on the casing and associated tapped blind holes: HM . . . . Standard design in the case of nuts with trapezoidal thread. Key aDimensions for assembly tool f
16、or locknuts up to M 100 2 Figure 1 Dimensions of KM . ., KML . . and HM . . . . T locknuts (notation) 5 DIN 981:2009-06 Figure 2 Dimensions of HM . . . . locknuts (notation) 4.3 Designation Designation of a locknut with thread G = M 120 2, d2= 145 mm external diameter and B = 20 mm width (symbol KML
17、 24): Locknut DIN 981 KML 24 Designation of a locknut with thread G = Tr 220 4, d2= 280 mm external diameter and B = 32 mm width (symbol HM 44 T): Locknut DIN 981 HM 44 T Designation of a locknut with thread G = Tr 220 4, d2= 260 mm external diameter and B = 30 mm width (symbol HM 3044): Locknut DIN
18、 981 HM 3044 4.4 Dimensions and symbols Types KM . . , KML . . and HM . . . . T as in Table 1. Type HM . . . . as in Table 2. 6 DIN 981:2009-06 Table 1 Dimensions and symbols for locknuts KM . . , KML . . and HM . . . . T Dimensions in millimetres G2d1dB bh A 1S a Symbol Type of suitable DIN 5406 lo
19、ckwasher M 10 0,75 018 013,5 014 KM 0 MB 0 M 12 1 022 017,0 04 03 018 KM 1 MB 1 M 15 1 025 021,0 021 KM 2 MB 2 M 17 1 028 024,0 05 024 KM 3 MB 3 M 20 1 032 026,0 06 04 028 KM 4 MB 4 M 25 1,5 038 032,0 034 KM 5 MB 5 M 30 1,5 045 038,0 07 041 KM 6 MB 6 M 35 1,5 052 044,0 08 05 (2)048 KM 7 MB 7 M 40 1,
- 1.请仔细阅读文档,确保文档完整性,对于不预览、不比对内容而直接下载带来的问题本站不予受理。
- 2.下载的文档,不会出现我们的网址水印。
- 3、该文档所得收入(下载+内容+预览)归上传者、原创作者;如果您是本文档原作者,请点此认领!既往收益都归您。
下载文档到电脑,查找使用更方便
10000 积分 0人已下载
下载 | 加入VIP,交流精品资源 |
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- DIN9812009ROLLINGBEARINGSLOCKNUTS 润滑 轴承 螺母 PDF

链接地址:http://www.mydoc123.com/p-662174.html